WEIWEISTORE Zinc Alloy Glossy Electronic Locks  (Black)

3-in-1 Keyless Entry Door Lock: Unlock your way with fingerprint, Bluetooth app, or backup key. Enjoy modern, keyless access for bedrooms, apartments, offices, or rentals—secure, simple, and stylish. Fast & Secure Fingerprint Unlock (0.2s): Advanced biometric sensor unlocks in just 0.2 seconds. Stores up to 20 fingerprints for family or roommates. Fingerprint data is stored locally for enhanced privacy—no cloud risk. Smart App Control & Auto-Lock: Use the app to lock/unlock, enable auto-lock, manage users, and view unlock records in real time. Switch Passage / Normal / Privacy modes easily via the interior knob for flexible access control. Bluetooth Tip: Enable Bluetooth and keep your phone within 10 meters for stable connection. Reliable Performance in Any Climate: Designed to operate consistently in temperatures from 23°F to 131°F (-5°C to 55°C), ensuring smooth performance in various climates and environments. Durable Design & Long Battery Life: Premium matte black aluminum alloy resists rust and scratches. Built-in 400mAh rechargeable battery lasts up to 6 months per charge, with low-battery alerts sent in advance to avoid unexpected lockouts. Fully recharges in 3–4 hours via USB-C. Easy Installation & Backup Key: Installs in just 15 minutes with a screwdriver—no drilling required. Fits most U.S. doors (1-3/8”–1-31/32”), left or right opening. Mechanical backup key ensures access even if the battery runs out.